Home / 218,782.55-328,173.83-124,304.15

Finding the Fourth Proportional to 218,782.55, 328,173.83 and 124,304.15

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Solution

The fourth proportional to 218,782.55, 328,173.83 and 124,304.15 is: 186,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,782.55 : 328,173.83 = 124,304.15 : x
  2. Step 2: Convert to fraction form
    218,782.55/328,173.83 = 124,304.15/x
  3. Step 3: Cross multiply
    218,782.55x = 328,173.83 × 124,304.15
  4. Step 4: Simplify right side
    218,782.55x = 40,793,368,368.87
  5. Step 5: Solve for x
    x = 40,793,368,368.87/218,782.55
  6. Step 6: Final answer
    x = 186,456.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.